diff --git a/ChangeLog b/ChangeLog
index 9f0ccad66..7245667d9 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2006-11-21  Emmanuele Bassi  <ebassi@openedhand.com>
+
+	* configure.ac: Rename G_ENABLE_DEBUG to CLUTTER_ENABLE_DEBUG.
+
 2006-11-20  Emmanuele Bassi  <ebassi@openedhand.com>
 
 	* clutter/clutter-rectangle.h:
diff --git a/configure.ac b/configure.ac
index 2c1b4afb8..79929ecd5 100644
--- a/configure.ac
+++ b/configure.ac
@@ -132,7 +132,7 @@ AC_ARG_ENABLE(debug,
 
 if test "x$enable_debug" = "xyes"; then
   test "$cflags_set" = set || CFLAGS="$CFLAGS -g"
-  CLUTTER_DEBUG_CFLAGS="-DG_ENABLE_DEBUG"
+  CLUTTER_DEBUG_CFLAGS="-DCLUTTER_ENABLE_DEBUG"
 else
   if test "x$enable_debug" = "xno"; then
     CLUTTER_DEBUG_CFLAGS="-DG_DISABLE_ASSERT -DG_DISABLE_CHECKS -DG_DISABLE_CAST